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package za.ac.cput.Toto.srp.obeying.service;

import za.ac.cput.Toto.srp.obeying.model.Bricks;

/**
 *
 * @author 210012285
 */
public interface Block {
    
    public void purchase(Bricks bricks, int qty);
    public int calBricksOnHand(Bricks bricks);
    
}
